Cognito 4-Inch Lift Kit For 2011-2019 Silverado/Sierra 2500/3500 2WD/4WD 1999-2007 sierra 1500 This regulator utilizes -8 O-ring

This regulator utilizes -8 O-ring Boss Ports which can be adapted to -10AN if needed

Designed for daily driving with aggressive performance potential

Extended cab/6

Polished Aluminum

or 20 percent intensity on low power

Cognito 4-Inch Lift Kit For 2011-2019 Silverado/Sierra 2500/3500 2WD/4WD 1999-2007 sierra 1500 This regulator utilizes -8 O-ringWe have bundled everything you need in a lift kit for your Silverado Sierra 2500 3500 2WD 4WD with high quality Cognito components. There is no guesswork. Cognito components are engineered, manufactured, and assembled in the USA. The Cognito Non Torsion Bar Drop Front Lift kit is designed and engineered to offer superior ride quality and corrected CV joint angles The Cognito Ball Joint SM Series Upper Control Arms add style, function, and performance